conversations] you're live in denver for the first presidential debate of 2012. between president obama and mitt romney. held at the university of denver. there are no opening statements, we're ready to here moderator introduce the candidates and ask the first question. >> moderator: i remember good evening. [laughter] [inaudible] [inaudible conversations] >> okay. they lag. it is two minutes. they are just testing us. they are just testing us. [inaudible conversations] >> moderator:..it. [inaudible conversations] [inaudible conversations] >> moderator: 30 seconds, folks. let's have a terrific evening for all of you. good evening from the madness arena at the university of colorado. im jim lehrer of the pbs "newshour." i welcome you to the 2012 debates between barack obama, the democratic nominee and former massachusetts governor, mitt romney, the republican nominee. this debate in the next three, two presidential, one vice presidential are sponsored by the commission on presidential debates. tonight's 90 minutes will be about domestic issues that will follow a format designed by the commission.